Summary of Significant Accounting Policies (Weighted-Average Number of Shares Used in Computing Earnings Per Share (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Weighted average basic shares outstanding (in shares)	12,215,425	12,097,018	11,936,772
Plus dilutive impact of employee stock awards (in shares)	167,526	279,058	295,393
Weighted average diluted shares outstanding (in shares)	12,382,951	12,376,076	12,232,165